Save current BZZZ config-ui state before CHORUS branding update

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Co-Authored-By: Claude <noreply@anthropic.com>

install/config-ui/node_modules/es-abstract/2018/IteratorClose.js

@@ -0,0 +1,49 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+var isObject = require('es-object-atoms/isObject');
+
+var Call = require('./Call');
+var CompletionRecord = require('./CompletionRecord');
+var GetMethod = require('./GetMethod');
+var IsCallable = require('./IsCallable');
+
+// https://262.ecma-international.org/6.0/#sec-iteratorclose
+
+module.exports = function IteratorClose(iterator, completion) {
+	if (!isObject(iterator)) {
+		throw new $TypeError('Assertion failed: Type(iterator) is not Object');
+	}
+	if (!IsCallable(completion) && !(completion instanceof CompletionRecord)) {
+		throw new $TypeError('Assertion failed: completion is not a thunk representing a Completion Record, nor a Completion Record instance');
+	}
+	var completionThunk = completion instanceof CompletionRecord ? function () { return completion['?'](); } : completion;
+
+	var iteratorReturn = GetMethod(iterator, 'return');
+
+	if (typeof iteratorReturn === 'undefined') {
+		return completionThunk();
+	}
+
+	var completionRecord;
+	try {
+		var innerResult = Call(iteratorReturn, iterator, []);
+	} catch (e) {
+		// if we hit here, then "e" is the innerResult completion that needs re-throwing
+
+		// if the completion is of type "throw", this will throw.
+		completionThunk();
+		completionThunk = null; // ensure it's not called twice.
+
+		// if not, then return the innerResult completion
+		throw e;
+	}
+	completionRecord = completionThunk(); // if innerResult worked, then throw if the completion does
+	completionThunk = null; // ensure it's not called twice.
+
+	if (!isObject(innerResult)) {
+		throw new $TypeError('iterator .return must return an object');
+	}
+
+	return completionRecord;
+};